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2025775648 = 25135239311
BaseRepresentation
bin111100010111110…
…1110001000100000
312020011212001202201
41320233232020200
513122044310043
6533003222544
7101125544311
oct17057561040
95204761681
102025775648
1194a552256
12486517a54
13263900620
14153088608
15bcca4c4d
hex78bee220

2025775648 has 48 divisors (see below), whose sum is σ = 4303708416. Its totient is φ = 933085440.

The previous prime is 2025775637. The next prime is 2025775667. The reversal of 2025775648 is 8465775202.

It is a junction number, because it is equal to n+sod(n) for n = 2025775598 and 2025775607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212913 + ... + 222223.

It is an arithmetic number, because the mean of its divisors is an integer number (89660592).

Almost surely, 22025775648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2025775648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2151854208).

2025775648 is an abundant number, since it is smaller than the sum of its proper divisors (2277932768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2025775648 is a wasteful number, since it uses less digits than its factorization.

2025775648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9857 (or 9849 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 2025775648 is about 45008.6174859882. The cubic root of 2025775648 is about 1265.3105098908.

The spelling of 2025775648 in words is "two billion, twenty-five million, seven hundred seventy-five thousand, six hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 523 1046 2092 4184 6799 8368 9311 13598 16736 18622 27196 37244 54392 74488 108784 121043 148976 217568 242086 297952 484172 968344 1936688 3873376 4869653 9739306 19478612 38957224 63305489 77914448 126610978 155828896 253221956 506443912 1012887824 2025775648